<script setup lang="ts">
import { message } from '@/components/XtxUI';
import router from '@/router';
import useStore from '@/store';
const cart = useStore().cart;
const member = useStore().member;

// 更新单个商品的选中状态或数量。
function updateCart(
  data: { selected?: boolean; count?: number },
  skuId: string
) {
  cart.updateCart(skuId, data);
}
// 设置选中或者全不选
function selectAll(selected: boolean) {
  cart.selectAllorNot(selected);
}

// 点击结算按钮跳转到订单页面
function goOrder() {
  // 判断数量是否为0，以及判断是否登录
  if (cart.selectCount <= 0) {
    return message({
      type: 'error',
      text: '请选择商品结算！',
    });
  }

  if (!cart.isMemberLogin) {
    return message({
      type: 'warn',
      text: '请先登录',
    });
  }
  router.push('/member/checkout');
}
</script>

<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckBox
                  :modelValue="cart.selectedAll"
                  @click="selectAll(!cart.selectedAll)"
                  >全选</XtxCheckBox
                >
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <template v-if="cart.effectiveCartCount">
              <tr v-for="i in cart.effectiveCartList" :key="i.skuId">
                <td>
                  <XtxCheckBox
                    :model-value="i.selected"
                    @change="updateCart({ selected: $event }, i.skuId)"
                  />
                </td>
                <td>
                  <div class="goods">
                    <RouterLink to="/">
                      <img :src="i.picture" alt="" />
                    </RouterLink>
                    <div>
                      <p class="name ellipsis">
                        {{ i.name }}
                      </p>
                      <p class="attr">{{ i.attrsText }}</p>
                    </div>
                  </div>
                </td>
                <td class="tc">
                  <p>&yen;{{ i.price }}</p>
                </td>
                <td class="tc">
                  <XtxCount
                    :model-value="i.count"
                    @change="updateCart({ count: $event }, i.skuId)"
                  />
                </td>
                <td class="tc">
                  <p class="f16 red">
                    &yen;{{ i.count * parseFloat(i.price) }}
                  </p>
                </td>
                <td class="tc">
                  <p><a href="javascript:;">移入收藏夹</a></p>
                  <p>
                    <a
                      class="green"
                      href="javascript:;"
                      @click="cart.deleteCart(i.skuId)"
                      >删除</a
                    >
                  </p>
                  <p><a href="javascript:;">找相似</a></p>
                </td>
              </tr>
            </template>
            <!-- 购物车没有商品时的占位 -->
            <template v-else>
              <tr>
                <td colspan="6">
                  <div class="cart-none" style="text-align: center">
                    <img src="@/assets/images/none.png" alt="" />
                    <p>购物车内暂时没有商品</p>
                    <div class="btn" style="margin: 20px">
                      <XtxButton type="primary"> 继续逛逛 </XtxButton>
                    </div>
                  </div>
                </td>
              </tr>
            </template>
          </tbody>
        </table>
      </div>

      <!-- 操作栏 -->
      <div class="action">
        <div class="batch"></div>
        <div class="total">
          共 {{ cart.effectiveCartCount }} 件有效商品，已选择
          {{ cart.selectCount }} 件，商品合计：
          <span class="red">¥{{ cart.effectiveMoney }}</span>
          <XtxButton type="primary" @click="goOrder">下单结算</XtxButton>
        </div>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
.cart-none {
  padding: 150px 0;
}
.cart .tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
